.banner{
    position: relative;
    width: 100%;
    background-color: #f7f8f9;
    height: 180px;
    margin-bottom: 37px;
}
.banner-c{
    position: absolute;
    top: 0;
    left: 50%;
    margin-left: -600px;
    width: 1200px;
    text-align: center;
    /* margin: 0 auto; */
    /* height: 180px; */
}
.main{
    overflow: hidden;
    width: 1200px;
    /* height: 1400px; */
    margin: 0 auto;
    /* background-color: red; */
    margin-bottom: 112px;
}
.banner-c h1{
    margin-top: 63px;
    font-size: 32px;
    color: #181818;
}
.banner-c h2{
    font-size: 14px;
    color: #c3c3c3;
}
.main .text{
    margin-left: 423px;
}
.main .text li{
    float: left;
    width: 70px;
    height: 30px;
    font-size: 15px;
    color: #858585;
    margin-right: 30px;
    text-align: center;
    line-height: 30px;
}
.main .active{
    /* display: block; */
    width: 100%;
    height: 100%;
    background-color: #1073d8;
    color: #ffffff;
}

/* 图片列表 */
.pict li {
    float: left;
    margin-right: 21px;
    text-align: center;
    border: solid 1px rgba(207, 207, 207, 0.35);
    margin-bottom: 28px;
}

.pict{
    overflow: hidden;
    margin-top: 63px;
}


.pict li:nth-child(3n) {
    margin-right: 0;
}

.pict .last {
    display: block;
    width: 100%;
    height: 65px;

}

.pict .poto {
    font-size: 16px;
    font-weight: bolder;
    margin-top: 15px;
    margin-bottom: 7px;
    color: #555555;
}

.pict .spo {
    font-size: 14px;
    color: #b3b3b3;
}
@media screen and (max-width:768px){
    .main{
        /* overflow: hidden; */
        width: 90%;
        margin: 0 auto;
        margin-bottom: 112px;
    }
    .main .text{
        overflow: hidden;
        width: 200px;
        margin: 0 auto;
    }
    .main .text li{
        width: 50px;
        margin-right: 0;
    }
    .pict{
        margin-top: 30px;
    }
    .pict li {
        width: 100%;
        height: auto;
        float: none;
        margin-right: 0;
    }
    .pict li img{
        width: 100%;
        height: auto;
    }
}